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RNA oligonucleotides containing 4prime-(S)-methyl-alpha-(L)-threofuranosyl nucleic acid.
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7 293 Drops contained 400 nL of 1 mM RNA and 400 nL of buffer containing 10% MPD, 12 mM spermine 4 HCl, 80 mM potassium chloride, and 40 mM sodium cacodylate
Crystal Properties Matthews coefficient Solvent content 2.54 51.49
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 44.791 α = 90 b = 44.791 β = 90 c = 67.761 γ = 120
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 PIXEL DECTRIS EIGER X 9M 2019-06-05 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 21-ID-D 0.9184 APS 21-ID-D
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) CC (Half) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 2.6 22.4 93.41 0.979 5.46 9.8 1740 69.36
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.6 2.69 0.735
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION SAD FREE R-VALUE 2.6 22.4 0.08 1498 171 93.41 0.2609 0.2582 0.2603 0.3032 0.2968 82.67
Temperature Factor Modeling Anisotropic B[1][1] Anisotropic B[1][2] Anisotropic B[1][3] Anisotropic B[2][2] Anisotropic B[2][3] Anisotropic B[3][3]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 23.8852 f_angle_d 1.2675 f_chiral_restr 0.0341 f_bond_d 0.0019 f_plane_restr 0.0014
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 210 Solvent Atoms 1 Heterogen Atoms 126
Software Software Software Name Purpose PHENIX refinement DIALS data reduction DIALS data scaling HKL2Map phasing